Mean and Median
Arithmetic mean of {2, 2, 5, 11}
What is 5?
The next term in the sequence 1, 8, 27, 64, ...
What is 125?
Can 123456 be divided by 3?
What is yes?
250,000 written in scientific notation
What is 2.5 x 105?
82 x 5 = ? x 10
What is 41?
Median of {2, 2, 5, 11}
What is 3.5?
The 20th term in the sequence 1, 3, 5, 7, ...
What is 39?
Divisibility rule for 5
What is the number ends in 0 or 5?
4!
What is 24?
532 + 579
What is 1111?
True or false: adding 4 to the set {2, 2, 5, 11} makes the mean (5) go down but the median (3.5) go up
What is true?
The 8th term in the sequence 8, 7, 9, 6, 10, 5, ...
What is 4?
Divisibility rule for 9
What is the sum of the digits is divisible by 9?
Midpoint of a line between (1,2) and (3,4)
What is (2,3)?
(2x/7y) (3y/2z) (7z/3x)
What is 1?
I am thinking of 3 numbers. The mean of the first two is 3. The mean of all three is 4. This is the value of the third number
What is 6?
The sum of the numbers in the sequence 1, 2, 3, 4, 5, ..., 18, 19, 20
What is 210?
Can 123456 be divided by 6?
What is yes?
15! / 14!
What is 15?
(7 + 14 + 21) / 7
What is 6?
18 6th graders took a test and their mean score was 87%. 14 7th graders took the same test and their mean score was 93%. Their combined mean is: 90%, greater than 90% or less than 90%
What is less than 90%?
__, 4, 6, 8, 12, 14, ...
What is 3?
Divisibility rule for 8's
What is the number formed by the last 3 digits is divisible by 8?
26
What is 64?
782 - 222 (hint: difference of squares!)
What is 5600?